FLUORINE Michaela KrMichaela Kráállííkovkováá, MD, MD DepartmentDepartment of Biochemistryof Biochemistry FacultyFaculty ofof MedicineMedicine Masaryk UniversityMasaryk University Significance * fluoroapatite Ca5(PO4)3F * mineralization of bones and enamel * deficiency expresses in increased cariosity * fluoride toothpaste